Inventor

Yukio Kazahaya

Inventor

Saitama, JP

Overview

8→

Patents

1992–2020

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 8 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

F04Bprimary

F04BPositive-displacement machines for liquids42%

F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids25%

F05BIndexing scheme relating to wind, spring, weight, inertia or like motors, to machines or engines for liquids covered by subclasses f03b, f03d and f03g17%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

PatentTitleYear

10,746,163Variable capacity compressor2020 6,217,290'Control valve for variable capacity compressors'2001 5,937,731'Variable capacity swash plate compressor'1999 5,931,079'Variable capacity swash plate compressor'1999 5,593,297'Scroll type compressor'1997 5,551,852'Scroll type compressor having a seal bearing unit'1996 5,472,328'Scroll type compressor having an oil seal bearing for the drive shaft'1995 5,105,723'Swash plate type axial piston pump'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1999Patents assigned to ZEXEL CORP (6)· patent assignee history

1992–2020Based in Saitama, JP· patent location history

1995–1997Based in Konan, JP· patent location history

1997Patents assigned to TAMA MFG (1)· patent assignee history

1999Based in Kawagoe, JP· patent location history

2001Patents assigned to FUJIKOKI CORP (1)· patent assignee history

2020Patents assigned to VALEO JAPAN CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ZEXEL CORP	6	1992–1999
FUJIKOKI CORP	1	2001
TAMA MFG	1	1997
VALEO JAPAN CO LTD	1	2020

Locations

Location	Patents	Span
Saitama, JP	3	1992–2020
Konan, JP	3	1995–1997
Kawagoe, JP	2	1999